/* 页脚整体样式 */
.bottom {
    width: 100%;
    background-color: #000; /* 纯黑色背景 */
    color: #fff; /* 白色文字 */
    padding: 32px 0 16px;
    margin: 50px 0 100px;
    font-size: 15px;
    letter-spacing: 0.5px;
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.12);
}

.bottom-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.copyright-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.copyright {
    font-weight: 500;
    color: inherit; /* 继承父元素颜色，保持简洁 */
}

.attention-0 {
    font-size: 13px;
    color: #bbb; /* 浅灰色次要文字 */
    font-style: italic;
}

.beian-info {
    margin: 0 12px;
}

.beian {
    color: #888; /* 灰色链接 */
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.beian:hover {
    color: #fff; /* 悬停变白色 */
    text-decoration: underline;
}

.friend-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.friend-links-title {
    font-weight: 600;
    color: inherit; /* 继承父元素颜色 */
    font-size: 14px;
}

.friend-link {
    color: #bbb; /* 浅灰色链接 */
    text-decoration: none;
    font-size: 14px;
    margin-left: 4px;
    transition: color 0.2s;
}

.friend-link:hover {
    color: #fff; /* 悬停变白色 */
    text-decoration: underline;
}

/* 小屏幕适配 */
@media (max-width: 600px) {
    .bottom-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .friend-links {
        flex-wrap: wrap;
    }
}